A newly identified sponge order, Vilesida, produces sterols linked to the oldest-known animal biomarkers, supporting the idea ...

Life-history traits represent organisms’ strategies to navigate the fitness trade-offs between survival and reproduction. Eric Charnov developed three dimensionless metrics to quantify fundamental ...

hi this is Matt Baker welcome to episode four in my series on The evolutionary tree of life in the first three episodes we covered the animal kingdom including insects fish reptiles birds and mammals ...